Changeset 10075 for trunk/psModules/src/camera/pmFPAMaskWeight.c

Timestamp:

Nov 17, 2006, 9:31:44 PM (20 years ago)

Author:

magnier

Message:

working on new linear fit process

File:

• trunk/psModules/src/camera/pmFPAMaskWeight.c (modified) (1 diff)

trunk/psModules/src/camera/pmFPAMaskWeight.c

@@ -210 +210 @@
     psImage *image = readout->image;    // The image pixels
     readout->weight = (psImage*)psBinaryOp(readout->weight, image, "/", psScalarAlloc(gain, PS_TYPE_F32));
+
+    // a negative weight is non-sensical. if the image value drops below 1, the weight must be 1.
+    readout->weight = (psImage*)psUnaryOp(readout->weight, readout->weight, "abs");
+    readout->weight = (psImage*)psBinaryOp(readout->weight, readout->weight, "max", psScalarAlloc(1, PS_TYPE_F32));
+
     readout->weight = (psImage*)psBinaryOp(readout->weight, readout->weight, "+",
                                            psScalarAlloc(readnoise*readnoise/gain/gain, PS_TYPE_F32));